Electrical Power

Different methods are utilized in order to measure three-phase power in a three-phase circuit. In this article, we … Read More

A three-phase system has three generating windings, each out of phase with the other two by 120ºE. Figure 1 … Read More

An inductor is a coil of wire having resistance and, if an iron core is used, eddy current … Read More

At the present time, we are seeing a growing number of small energy suppliers using a variety of … Read More

The most common generator used in production of electrical power is the three-phase generator. It consists of a … Read More

Most of the AC power used today is generated and distributed as three-phase power, which implies three sinusoidal sources, … Read More

When a linear electric circuit is excited by a sinusoidal source, all voltages and currents in the circuit … Read More

The i -v relationships of resistors, capacitors, and inductors can be expressed in phasor notation. As phasors, each … Read More

A solid-state motor starter is an electronically operated switch (contactor) that uses solid-state components to eliminate mechanical contacts … Read More

Electromechanical relays (EMRs) and Solid state relays (SSRs) are designed to provide a common switching function. An EMR … Read More

The solid state relay used in an application depends on the load to be controlled. The different SSRs … Read More

A relay is a device that controls one electrical circuit by opening and closing another circuit. A small voltage … Read More

Temperature rise is the largest problem in applications that use solid state relay (SSR). As temperature increases, the … Read More

A one-line diagram for an electric power distribution system is an electrical drawing that uses single lines and … Read More